My code works fine in normal running zope but not when run as a testcase (I'm not using bin/zopectl test if that matters) I get the following error.
I feel guilty since I've got this line in my code:
transaction.get().commit()  (Expense.py#4458)

I remember having come across this error before but can't remember what the solution was.

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Traceback (most recent call last):
File "/home/peterbe/zope/zope285/lib/python/Testing/ZopeTestCase/profiler.py", line 98, in __call__
    testMethod()
  File "testExpenses2.py", line 81, in test_uploadPhotos
    eids = context.uploadExpenseFiles(files)
File "/home/peterbe/zope/zope285/Products/MExpenses/Expense.py", line 4458, in uploadExpenseFiles
    transaction.get().commit()
  File "lib/python/transaction/_transaction.py", line 381, in commit
  File "lib/python/transaction/_transaction.py", line 379, in commit
File "lib/python/transaction/_transaction.py", line 424, in _commitResources File "/home/peterbe/zope/zope285/lib/python/ZODB/Connection.py", line 462, in commit
    self._commit(transaction)
File "/home/peterbe/zope/zope285/lib/python/ZODB/Connection.py", line 503, in _commit
    self._store_objects(ObjectWriter(obj), transaction)
File "/home/peterbe/zope/zope285/lib/python/ZODB/Connection.py", line 525, in _store_objects
    p = writer.serialize(obj)  # This calls __getstate__ of obj
File "/home/peterbe/zope/zope285/lib/python/ZODB/serialize.py", line 330, in serialize
    return self._dump(meta, obj.__getstate__())
File "/home/peterbe/zope/zope285/lib/python/ZODB/serialize.py", line 339, in _dump
    self._p.dump(state)
  File "copy_reg.py", line 69, in _reduce_ex
    raise TypeError, "can't pickle %s objects" % base.__name__
TypeError: can't pickle instancemethod objects

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--
Peter Bengtsson,
work www.fry-it.com
home www.peterbe.com
hobby www.issuetrackerproduct.com
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